Finding the Fourth Proportional to 78,521, 108,358.98 and 45,006.44

Step by Step Solution

1. Step 1: Write the proportion equation
   78,521 : 108,358.98 = 45,006.44 : x
2. Step 2: Convert to fraction form
   78,521/108,358.98 = 45,006.44/x
3. Step 3: Cross multiply
   78,521x = 108,358.98 × 45,006.44
4. Step 4: Simplify right side
   78,521x = 4,876,851,931.83
5. Step 5: Solve for x
   x = 4,876,851,931.83/78,521
6. Step 6: Final answer
   x = 62,108.89